Product Details + MATERIAL : Multi-piece titanium case SIZE :39.00 mm TOP GLASS :Sapphire, domed on both sides, anti-reflective coating inside CASE BACK :Titanium, screwed, see-through sapphire glass OPERATING DEVICES :Titanium screw-in security crown WATER RESISTANCE :10 bar INTERHORN WIDTH :20 mm MATERIAL : Multi-piece Titanium metal bracelet, folding clasp WARRANTY :2 Years